环境:
OS:RedHat AS4.4(up2)---64
mysql:mysql-5.1.22-rc-linux-x86_64-glibc23.tar.gz
CPU:2颗 Xeon(R) CPU----E5335
观察cpu的的使用情况,如下图:
Cpu0 : 0.0% us, 0.0% sy, 0.0% ni, 99.7% id, 0.3% wa, 0.0% hi, 0.0% si
Cpu1 : 1.0% us, 0.0% sy, 0.0% ni, 99.0% id, 0.0% wa, 0.0% hi, 0.0% si
Cpu2 : 15.0% us, 2.3% sy, 0.0% ni, 74.4% id, 6.6% wa, 0.0% hi, 1.7% si
Cpu3 : 0.7% us, 0.0% sy, 0.0% ni, 98.7% id, 0.7% wa, 0.0% hi, 0.0% si
Cpu4 : 0.7% us, 0.3% sy, 0.0% ni, 86.4% id, 12.6% wa, 0.0% hi, 0.0% si
Cpu5 : 0.3% us, 0.0% sy, 0.0% ni, 99.7% id, 0.0% wa, 0.0% hi, 0.0% si
Cpu6 : 1.3% us, 0.3% sy, 0.0% ni, 98.0% id, 0.3% wa, 0.0% hi, 0.0% si
Cpu7 : 0.0% us, 0.3% sy, 0.0% ni, 99.7% id, 0.0% wa, 0.0% hi, 0.0% si
Cpu0 : 0.3% us, 0.0% sy, 0.0% ni, 99.7% id, 0.0% wa, 0.0% hi, 0.0% si
Cpu1 : 0.3% us, 0.0% sy, 0.0% ni, 99.3% id, 0.3% wa, 0.0% hi, 0.0% si
Cpu2 : 20.6% us, 4.0% sy, 0.0% ni, 68.1% id, 4.7% wa, 0.0% hi, 2.7% si
Cpu3 : 2.3% us, 0.0% sy, 0.0% ni, 97.7% id, 0.0% wa, 0.0% hi, 0.0% si
Cpu4 : 1.7% us, 1.0% sy, 0.0% ni, 46.7% id, 50.3% wa, 0.3% hi, 0.0% si
Cpu5 : 0.3% us, 0.3% sy, 0.0% ni, 99.3% id, 0.0% wa, 0.0% hi, 0.0% si
Cpu6 : 0.7% us, 0.0% sy, 0.0% ni, 99.3% id, 0.0% wa, 0.0% hi, 0.0% si
Cpu7 : 0.3% us, 0.0% sy, 0.0% ni, 99.7% id, 0.0% wa, 0.0% hi, 0.0% si
Cpu0 : 0.3% us, 0.0% sy, 0.0% ni, 99.7% id, 0.0% wa, 0.0% hi, 0.0% si
Cpu1 : 1.7% us, 0.0% sy, 0.0% ni, 98.3% id, 0.0% wa, 0.0% hi, 0.0% si
Cpu2 : 21.9% us, 4.3% sy, 0.0% ni, 67.4% id, 4.7% wa, 0.0% hi, 1.7% si
Cpu3 : 0.7% us, 1.0% sy, 0.0% ni, 98.0% id, 0.3% wa, 0.0% hi, 0.0% si
Cpu4 : 1.0% us, 0.3% sy, 0.0% ni, 78.7% id, 20.0% wa, 0.0% hi, 0.0% si
Cpu5 : 0.0% us, 0.0% sy, 0.0% ni, 100.0% id, 0.0% wa, 0.0% hi, 0.0% si
Cpu6 : 0.3% us, 0.0% sy, 0.0% ni, 99.7% id, 0.0% wa, 0.0% hi, 0.0% si
Cpu7 : 0.3% us, 0.3% sy, 0.0% ni, 99.3% id, 0.0% wa, 0.0% hi, 0.0% si
观察很长时间的cpu使用情况,为什么只是第2个核心占用的多呢?
还请高手帮小弟看看,谢谢! |